/*
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.elasticsearch.action.admin.cluster.tasks;

import org.elasticsearch.test.ESIntegTestCase;
import org.elasticsearch.test.ESIntegTestCase.ClusterScope;

import java.util.Arrays;

import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_BLOCKS_METADATA;
import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_BLOCKS_READ;
import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_BLOCKS_WRITE;
import static org.elasticsearch.cluster.metadata.IndexMetaData.SETTING_READ_ONLY;

@ClusterScope(scope = ESIntegTestCase.Scope.TEST)
public class PendingTasksBlocksIT extends ESIntegTestCase {
    public void testPendingTasksWithBlocks() {
        createIndex("test");
        ensureGreen("test");

        // This test checks that the Pending Cluster Tasks operation is never blocked, even if an index is read only or whatever.
        for (String blockSetting : Arrays.asList(SETTING_BLOCKS_READ, SETTING_BLOCKS_WRITE, SETTING_READ_ONLY, SETTING_BLOCKS_METADATA)) {
            try {
                enableIndexBlock("test", blockSetting);
                PendingClusterTasksResponse response = client().admin().cluster().preparePendingClusterTasks().execute().actionGet();
                assertNotNull(response.getPendingTasks());
            } finally {
                disableIndexBlock("test", blockSetting);
            }
        }

        try {
            setClusterReadOnly(true);
            PendingClusterTasksResponse response = client().admin().cluster().preparePendingClusterTasks().execute().actionGet();
            assertNotNull(response.getPendingTasks());
        } finally {
            setClusterReadOnly(false);
        }
    }
}